# US 2014/0155592 A1 · Arylamine compound and electroluminescence device using the same

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- Number: US 2014/0155592 A1
- Document ID: US20140155592A1
- Status: Published application
- Kind: A1
- Application number: 14/091,765
- Filed: 2013-11-27
- Published: 2014-06-05
- Earliest claimed: 2012-11-30
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Ichinori TAKADA
- Web page: https://patentgrep.com/patent/US20140155592A1

## CPC

- H10K 85/636: {comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom}
- H10K 50/15: Hole transporting layers
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

An arylamine compound is represented by Formula 1. where R, X, Y, and n are further defined.

## Claims

### Claim 1

An arylamine compound represented by Formula 1:
where X is a carbon atom, a nitrogen atom, or a sulfur atom,
n is 1,
Y is an oxygen atom or a sulfur atom, wherein, when Y is an oxygen atom, 1, 2, 3, 4, 5, 6, 7, 8, and 9 represent bonding positions on a dibenzofuranyl group formed thereby, and when Y is a sulfur atom, 1, 2, 3, 4, 5, 6, 7, 8, and 9 represent bonding positions on a dibenzothiophenyl group formed thereby,
each R is independently a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a cyano group, a trifluoromethyl group, a nitro group, a substitutable straight-chain or branched-chain alkyl group having 1 to 6 carbon atoms, a substitutable cycloalkyl group having 5 to 20 carbon atoms, a substitutable straight-chain or branched-chain alkenyl group having 2 to 6 carbon atoms, a substitutable straight-chain or branched-chain alkyloxy group having 1 to 6 carbon atoms, a substitutable cycloalkyloxy group having 5 to 20 carbon atoms, a substituent or non-substituent aromatic hydrocarbon group, a substituent or non-substituent aromatic hetero ring group, a substituent or non-substituent condensed multi-ring aromatic group, or a substituent or non-substituent aryloxy group, and in which monovalent, bivalent or adjacent two substituents may have a ring structure.

### Claim 2 (depends on 1)

The arylamine compound as claimed in claim 1, wherein, in Formula 1, a nitrogen atom of an arylamine group of the arylamine compound is bonded to the dibenzofuranyl group or dibenzothiophenyl group at a position other than a para-position with respect to Y.

### Claim 3 (depends on 1)

The arylamine compound as claimed in claim 1, wherein the nitrogen atom of the arylamine group is bonded at the 3 position carbon of the dibenzofuranyl group or dibenzothiophenyl group.

### Claim 4 (depends on 1)

The arylamine compound as claimed in claim 1, wherein X is an oxygen atom or sulfur atom, and Y is an oxygen atom.

### Claim 5 (depends on 2)

The arylamine compound as claimed in claim 2, wherein X is an oxygen atom or sulfur atom, and Y is an oxygen atom.

### Claim 6 (depends on 3)

The arylamine compound as claimed in claim 3, wherein X is an oxygen atom or sulfur atom, and Y is an oxygen atom.

### Claim 7

An organic electroluminescence device comprising a hole transport layer including an arylamine compound represented by Formula 1:
where X is a carbon atom, a nitrogen atom, or a sulfur atom,
n is 1,
Y is an oxygen atom or a sulfur atom, wherein, when Y is an oxygen atom, 1, 2, 3, 4, 5, 6, 7, 8, and 9 represent bonding positions on a dibenzofuranyl group formed thereby, and when Y is a sulfur atom, 1, 2, 3, 4, 5, 6, 7, 8, and 9 represent bonding positions on a dibenzothiophenyl group formed thereby, each R is independently a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a cyano group, a trifluoromethyl group, a nitro group, a substitutable straight-chain or branched-chain alkyl group having 1 to 6 carbon atoms, a substitutable cycloalkyl group having 5 to 20 carbon atoms, a substitutable straight-chain or branched-chain alkenyl group having 2 to 6 carbon atoms, a substitutable straight-chain or branched-chain alkyloxy group having 1 to 6 carbon atoms, a substitutable cycloalkyloxy group having 5 to 20 carbon atoms, a substituent or non-substituent aromatic hydrocarbon group, a substituent or non-substituent aromatic hetero ring group, a substituent or non-substituent condensed multi-ring aromatic group, or a substituent or non-substituent aryloxy group, and monovalent, bivalent or adjacent two substituents may have a ring structure.

### Claim 8 (depends on 7)

The organic electroluminescence device as claimed in claim 7, wherein, in Formula 1, a nitrogen atom of an arylamine group of the arylamine compound is bonded to the dibenzofuranyl group or dibenzothiophenyl group at a position other than a para-position with respect to Y.

### Claim 9 (depends on 8)

The organic electroluminescence device as claimed in claim 8, wherein the nitrogen atom of the arylamine group is bonded at 3 position carbon of the dibenzofuranyl group or dibenzothiophenyl group.

### Claim 10 (depends on 7)

The organic electroluminescence device as claimed in claim 7, wherein X is an oxygen atom or sulfur atom, and Y is an oxygen atom.

### Claim 11 (depends on 8)

The organic electroluminescence device as claimed in claim 8, wherein X is an oxygen atom or sulfur atom, and Y is an oxygen atom.

### Claim 12 (depends on 9)

The organic electroluminescence device as claimed in claim 9, wherein X is an oxygen atom or sulfur atom, and Y is an oxygen atom.

### Claim 13

An organic electroluminescence device, comprising at least one compound selected from the following Compounds 6 to 23: